library/smarty/libs/plugins/function.html_image.php
author Markus Bröker <broeker.markus@googlemail.com>
Fri, 13 Nov 2015 22:13:11 +0100
changeset 17 e7d8b7d8852a
parent 0 4869aea77e21
permissions -rw-r--r--
Datenbank ist jetzt frei konfigurierbar
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     1
<?php
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     2
/**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     3
 * Smarty plugin
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     4
 *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     5
 * @package    Smarty
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     6
 * @subpackage PluginsFunction
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     7
 */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     8
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     9
/**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    10
 * Smarty {html_image} function plugin
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    11
 * Type:     function<br>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    12
 * Name:     html_image<br>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    13
 * Date:     Feb 24, 2003<br>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    14
 * Purpose:  format HTML tags for the image<br>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    15
 * Examples: {html_image file="/images/masthead.gif"}<br>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    16
 * Output:   <img src="/images/masthead.gif" width=400 height=23><br>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    17
 * Params:
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    18
 * <pre>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    19
 * - file        - (required) - file (and path) of image
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    20
 * - height      - (optional) - image height (default actual height)
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    21
 * - width       - (optional) - image width (default actual width)
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    22
 * - basedir     - (optional) - base directory for absolute paths, default is environment variable DOCUMENT_ROOT
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    23
 * - path_prefix - prefix for path output (optional, default empty)
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    24
 * </pre>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    25
 *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    26
 * @link    http://www.smarty.net/manual/en/language.function.html.image.php {html_image}
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    27
 *          (Smarty online manual)
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    28
 * @author  Monte Ohrt <monte at ohrt dot com>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    29
 * @author  credits to Duda <duda@big.hu>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    30
 * @version 1.0
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    31
 *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    32
 * @param array $params parameters
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    33
 * @param Smarty_Internal_Template $template template object
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    34
 *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    35
 * @throws SmartyException
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    36
 * @return string
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    37
 * @uses    smarty_function_escape_special_chars()
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    38
 */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    39
function smarty_function_html_image($params, $template) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    40
    require_once(SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php');
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    41
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    42
    $alt = '';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    43
    $file = '';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    44
    $height = '';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    45
    $width = '';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    46
    $extra = '';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    47
    $prefix = '';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    48
    $suffix = '';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    49
    $path_prefix = '';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    50
    $basedir = isset($_SERVER['DOCUMENT_ROOT']) ? $_SERVER['DOCUMENT_ROOT'] : '';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    51
    foreach ($params as $_key => $_val) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    52
        switch ($_key) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    53
            case 'file':
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    54
            case 'height':
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    55
            case 'width':
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    56
            case 'dpi':
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    57
            case 'path_prefix':
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    58
            case 'basedir':
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    59
                $$_key = $_val;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    60
                break;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    61
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    62
            case 'alt':
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    63
                if (!is_array($_val)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    64
                    $$_key = smarty_function_escape_special_chars($_val);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    65
                } else {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    66
                    throw new SmartyException ("html_image: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    67
                }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    68
                break;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    69
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    70
            case 'link':
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    71
            case 'href':
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    72
                $prefix = '<a href="' . $_val . '">';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    73
                $suffix = '</a>';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    74
                break;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    75
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    76
            default:
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    77
                if (!is_array($_val)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    78
                    $extra .= ' ' . $_key . '="' . smarty_function_escape_special_chars($_val) . '"';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    79
                } else {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    80
                    throw new SmartyException ("html_image: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    81
                }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    82
                break;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    83
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    84
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    85
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    86
    if (empty($file)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    87
        trigger_error("html_image: missing 'file' parameter", E_USER_NOTICE);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    88
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    89
        return;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    90
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    91
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    92
    if ($file[0] == '/') {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    93
        $_image_path = $basedir . $file;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    94
    } else {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    95
        $_image_path = $file;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    96
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    97
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    98
    // strip file protocol
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    99
    if (stripos($params['file'], 'file://') === 0) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   100
        $params['file'] = substr($params['file'], 7);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   101
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   102
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   103
    $protocol = strpos($params['file'], '://');
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   104
    if ($protocol !== false) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   105
        $protocol = strtolower(substr($params['file'], 0, $protocol));
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   106
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   107
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   108
    if (isset($template->smarty->security_policy)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   109
        if ($protocol) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   110
            // remote resource (or php stream, …)
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   111
            if (!$template->smarty->security_policy->isTrustedUri($params['file'])) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   112
                return;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   113
            }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   114
        } else {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   115
            // local file
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   116
            if (!$template->smarty->security_policy->isTrustedResourceDir($_image_path)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   117
                return;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   118
            }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   119
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   120
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   121
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   122
    if (!isset($params['width']) || !isset($params['height'])) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   123
        // FIXME: (rodneyrehm) getimagesize() loads the complete file off a remote resource, use custom [jpg,png,gif]header reader!
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   124
        if (!$_image_data = @getimagesize($_image_path)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   125
            if (!file_exists($_image_path)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   126
                trigger_error("html_image: unable to find '$_image_path'", E_USER_NOTICE);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   127
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   128
                return;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   129
            } elseif (!is_readable($_image_path)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   130
                trigger_error("html_image: unable to read '$_image_path'", E_USER_NOTICE);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   131
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   132
                return;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   133
            } else {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   134
                trigger_error("html_image: '$_image_path' is not a valid image file", E_USER_NOTICE);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   135
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   136
                return;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   137
            }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   138
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   139
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   140
        if (!isset($params['width'])) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   141
            $width = $_image_data[0];
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   142
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   143
        if (!isset($params['height'])) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   144
            $height = $_image_data[1];
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   145
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   146
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   147
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   148
    if (isset($params['dpi'])) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   149
        if (strstr($_SERVER['HTTP_USER_AGENT'], 'Mac')) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   150
            // FIXME: (rodneyrehm) wrong dpi assumption
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   151
            // don't know who thought this up… even if it was true in 1998, it's definitely wrong in 2011.
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   152
            $dpi_default = 72;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   153
        } else {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   154
            $dpi_default = 96;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   155
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   156
        $_resize = $dpi_default / $params['dpi'];
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   157
        $width = round($width * $_resize);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   158
        $height = round($height * $_resize);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   159
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   160
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   161
    return $prefix . '<img src="' . $path_prefix . $file . '" alt="' . $alt . '" width="' . $width . '" height="' . $height . '"' . $extra . ' />' . $suffix;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   162
}